MCQs: What is the relation between convection heat transfer coefficients of natural convection and forced convection?
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MCQs: Assume a natural convection heat transfer on a vertical flat plate surrounded by a fluid. Where will be the fully developed turbulent layer of fluid established, if the plate is hotter than the fluid?
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MCQs: Assume fluid flowing in a tube forcefully. The velocity boundary layer develops along the tube. Thickness of this boundary layer increases in the flow direction until the boundary layer reaches the tube centre. This region from the tube inlet to the point at which the boundary layers merge at the centerline is called as
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MCQs: What is hydro-dynamically developed region in fluid flowing inside a pipe?
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MCQs: What is the ratio of the buoyancy force to the viscous force acting on a fluid called?
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MCQs: In natural convection, the Nusselt number (Nu) depends on
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MCQs: The total radiation leaving a surface per unit time per unit surface area is called as
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MCQs: Radiosity (J) is the sum of radiation
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MCQs: Radiation shields are used
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MCQs: Which surface can be best described as a radiation shield?
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MCQs: Which object can be used as a radiation shield?
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MCQs: Gases absorb and emit radiant energy
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MCQs: Which among the following factors is/are taken into account in calculation of radiation emitted or absorbed by a gas layer?
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MCQs: How is the incident radiation absorbed by a gas layer?
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MCQs: What are the compact heat exchangers?
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MCQs: Which of the following can be considered as more compact efficient heat exchanger?
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MCQs: The compact heat exchangers are commonly used in
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MCQs: Usually, the flow arrangement of two fluids in compact heat exchangers is
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MCQs: What is effectiveness of fin?
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MCQs: What is the effect of thermal conductivity k on fin effectiveness?
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